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rank °£ÇæÀû´Ü½Äºô·± 2018-11-29 (¸ñ) 21:37 Á¶È¸ : 677

# import the necessary packages
from picamera.array import PiRGBArray
from picamera import PiCamera
import numpy
import time
import cv2

#multiple cascades: https://github.com/Itseez/opencv/tree/master/data/haarcascades
face_cascade = cv2.CascadeClassifier('haarcascade_frontalface_default.xml')
eye_cascade = cv2.CascadeClassifier('haarcascade_eye.xml')

# initialize the camera and grab a reference to the raw camera capture
camera = PiCamera()
camera.resolution = (640, 480)
camera.framerate = 32
rawCapture = PiRGBArray(camera, size=(640, 480))
 
# allow the camera to warmup
time.sleep(0.1)
 
# capture frames from the camera
for frame in camera.capture_continuous(rawCapture, format="bgr", use_video_port=True):
    image = frame.array
    gray  = cv2.cvtColor (image, cv2.COLOR_BGR2GRAY)
    faces = face_cascade.detectMultiScale (gray, 1.3, 5)

    for (x, y, w, h) in faces:
        cv2.rectangle (image, (x, y), (x + w, y + h), (255, 0, 0), 2)
        roi_gray  = gray  [y: y + h, x: x + w]
        roi_color = image [y: y + h, x: x + w]

        eyes = eye_cascade.detectMultiScale (roi_gray)
        for (ex, ey, ew, eh) in eyes:
            cv2. rectangle (roi_color, (ex, ey), (ex + ew, ey + eh), (0, 255, 0), 2)


    # show the frame
    cv2.imshow("Frame", image)
    key = cv2.waitKey(1) & 0xFF
 
    # clear the stream in preparation for the next frame
    rawCapture.truncate(0)
 
    # if the `q` key was pressed, break from the loop
    if key == ord("q"):
        break


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# capture frames from the camera

for frame in camera.capture_continuous(rawCapture, format="bgr", use_video_port=True):

    image = frame.array

    gray  = cv2.cvtColor (image, cv2.COLOR_BGR2GRAY)

    faces = face_cascade.detectMultiScale (gray, 1.3, 5)


    for (x, y, w, h) in faces:

        cv2.rectangle (image, (x, y), (x + w, y + h), (255, 0, 0), 2)

        roi_gray  = gray  [y: y + h, x: x + w]

        roi_color = image [y: y + h, x: x + w]


        if len(eyes) > 0:

            camera.start_preview()

            camera.annotate_text = 'WARNING!'


        eyes = eye_cascade.detectMultiScale (roi_gray)

        for (ex, ey, ew, eh) in eyes:

            cv2. rectangle (roi_color, (ex, ey), (ex + ew, ey + eh), (0, 255, 0), 2)


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rank¸ÁÅ© 2018-11-29 (¸ñ) 23:25
if len(eyes) > 0:

    camera.start_preview()

else :
    camera.annotate_text = 'WARNING!'
     
       
rank°£ÇæÀû´Ü½Äºô·± ±Û¾´ÀÌ 2018-11-29 (¸ñ) 23:28
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rank¸ÁÅ© 2018-11-30 (±Ý) 00:24
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